# -*- coding: utf-8 -*-
import requests
import re
import bs4
import traceback
from bs4 import BeautifulSoup


def getHtmlText(url, code='utf-8'):
    """
    定向爬取股票数据
    :param url:
    :return:
    """
    try:
        r = requests.get(url)
        r.raise_for_status()
        r.encoding = code
        return r.text
    except:
        return ""


def getStockList(lst, stockURL):
    """
    获取股票列表
    :param lst:
    :param stockURL:
    :return:
    """
    html = getHtmlText(stockURL, 'GB2312')
    soup = BeautifulSoup(html, 'lxml')
    a = soup.find_all('a')
    for i in a:
        try:
            href = i.attrs['href']
            lst.append(re.findall(r'[s][hz]\d{6}', href)[0])
        except:
            continue


def getStockInfo(lst, stockURL, fpath):
    """
    获取每个个股的信息，并存到本地文件
    :param lst:
    :param stockURL:
    :param fpath:
    :return:
    """
    count = 0
    for stock in lst:
        url = stockURL + stock + '.html'
        html = getHtmlText(url)
        try:
            if html == "":
                continue
            infoDict = {}
            soup = BeautifulSoup(html, 'lxml')
            stockInfo = soup.find('div', attrs={'class': 'stock-bets'})

            name = stockInfo.find_all(attrs={'class': 'bets-name'})[0]
            infoDict.update({'股票名称': name.text.split()[0]})

            keyList = stockInfo.find_all('dt')
            valueList = stockInfo.find_all('dd')

            for i in len(keyList):
                key = keyList[i].text
                val = valueList[i].text
                infoDict[key] = val

            with open(fpath, 'a', encoding='utf-8') as f:
                f.write(str(infoDict) + '\n')
                count += 1
                # 增加爬取进度显示，不换行展示： \r + end=""
                print('\r当前进度：{:.2f}%'.format(count * 100 / len(lst)), end="")
        except:
            count += 1
            print('\r当前进度：{:.2f}%'.format(count * 100 / len(lst)), end="")
            traceback.print_exc()
            continue


if __name__ == '__main__':
    stock_list_url = "http://data.eastmoney.com/notices/"
    stock_info_url = "http://quote.eastmoney.com/"
    output_file = "~/Desktop/stock.txt"
    slist = []  # 股票信息列表

    getStockList(slist, stock_list_url)
    getStockInfo(slist, stock_info_url, output_file)
